| Date | Transaction |
| 02-28-1997 | Joe Maddock has retired from football. |
| 08-15-1994 | The Boston Hornets have waived Joe Maddock. |
| 08-08-1994 | The Boston Hornets have moved Tom Henke, Harrie Green, Trent Shinners, Jamie Young, Dennis Brumfield, Jim Nagle, Daniel Waterfield, Ricky Stoerner, and Manch Schein to the active roster. The Boston Hornets have moved Leon Criter, Elmo Primus, Darryl Marciniak, Flipper Pagliei, Gerome Stover, Kipp Roberts, Hoge Whittingham, Joe Maddock, and Buster Reed to the inactive roster. |
| 09-06-1992 | The Boston Hornets have moved Greg Foley, Jon Garrett, and Joe Maddock to the active roster. The Boston Hornets have moved Scott Golsen, Chris Owens, and Bob Crawford to the inactive roster. |
| 08-10-1992 | The Boston Hornets have moved Dwight Atcheson, Scott Golsen, Rich Small, Jim Weatherford, Bob O'Donahue, and Allen Giesler to the active roster. The Boston Hornets have moved Bob Bastian, Sully Stoops, Jon Garrett, Billy Barber, Joe Maddock, and Bob Reed to the inactive roster. |
| 10-06-1991 | Joe Maddock of the Boston Blizzards is injured with a knee contusion and is expected to be out for approximately 5 days. |
| 09-10-1990 | The Boston Blizzards have moved Joe Maddock and Shine Mankins to the active roster. The Boston Blizzards have moved Tim Souders and Archie Cole to the inactive roster. |
| 08-06-1990 | The Boston Blizzards have moved Leo Whited, Gerome Stover, and Russ Laaveg to the active roster. The Boston Blizzards have moved Joe Maddock, Al Bailey, and Billy Barber to the inactive roster. |
| 09-01-1986 | The Boston Blizzards have moved Jon Garrett, Rulon Stewart, and Joe Maddock to the active roster. The Boston Blizzards have moved Fred Caleb, Tom Russell, and Sully Stoops to the inactive roster. |
| 09-01-1986 | The Boston Blizzards have acquired Joe Maddock from the waiver wire. |
| 08-31-1986 | The Washington Xenomorphs have automatically waived Joe Maddock to comply with the 65-man roster limit. |
| 08-24-1986 | The Washington Xenomorphs have moved Eugene Perini, Charle Summerell, Joe Grant, Hal Renfro, Charles Wynne, Phil Majors, Joe Maddock, Ryan Johns, Mac Rembert, Chad McKalip, Bill Drost, Jimmy Saimes, Donnie Lafleur, Jed Atkeson, Bob Williams, Pete Kahler, and Wilbur Cunningham to the active roster. The Washington Xenomorphs have moved Alex Thomas, Devone Rivera, Joe Simon, Kurt Saunooke, Billy Barber, Gene Atkins, Malcolm Faulk, Steve Forrest, Kevin Brown, Devon Parker, Jim Mitchell, Milan Hubka, Norman Rosenstiel, Al Bailey, Eugene Sloan, Brian Speck, and Halvor Elway to the inactive roster. |
| 08-18-1986 | The Washington Xenomorphs have moved Norman Rosenstiel, Jim Mitchell, Joe Simon, Al Bailey, Ron Barni, Halvor Elway, Kurt Saunooke, Alex Thomas, Steve Gurode, Brian Speck, Devone Rivera, Bob Barnes, Ken Williams, Gene Atkins, Duke Collins, John Young, Kevin Brown, Devon Parker, Steve Forrest, Billy Barber, Kyle Davis, Milan Hubka, Eugene Sloan, and Malcolm Faulk to the active roster. The Washington Xenomorphs have moved Aveion Dieter, John Jackson, Mac Rembert, Phil Majors, Eugene Perini, Chad McKalip, Pete Kahler, Dennis Horton, Bob Williams, Sully Stoops, Charle Summerell, Hal Renfro, Bill Drost, Lloyd Pelluer, Ryan Johns, Donnie Lafleur, Jeff Franklin, Wilbur Cunningham, Jimmy Saimes, Joe Grant, Jed Atkeson, Mike Morgan, Paul Bostic, and Joe Maddock to the inactive roster. |
| 08-10-1986 | The Washington Xenomorphs have moved Jim Scott, Lloyd Pelluer, Joe Grant, Wilbur Cunningham, Sully Stoops, Eugene Perini, Jeff Franklin, Paul Bostic, Ryan Johns, Jimmy Saimes, Joe Maddock, and Cletidus Swann to the active roster. The Washington Xenomorphs have moved Norman Rosenstiel, Kevin Brown, Devon Parker, Ron Barni, Billy Barber, Kyle Davis, Ken Williams, Eugene Sloan, Milan Hubka, Steve Gurode, Devone Rivera, and Al Bailey to the inactive roster. |
| 08-04-1986 | The Washington Xenomorphs have acquired Joe Maddock from the waiver wire. |
| 08-05-1985 | The New York Hardcore have waived Joe Maddock. |
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